... standard 4 218*106*37mm HAT 040 L clamp, patch fitting 1. Aluminium core2. #304 cover with 1.0mm thickness3 ... ,window2 building, restaurant, hotel, house decorationProducts feature:1 high quality with beautiful finish and enough size.2 Two years warranty ... hardware experience, supply high quality hardware and good service, keep integrity trade, OEM & ODM also welcome. HAT 040 L clamp/patch fitting